in probate court documents, khan's brother says he wants to ensure that khan's daughter, from a prior marriage, receives her proper share. nbc news talked to khan's widow at his dry cleaning business. she would not go on camera but says she still can't believe someone would want to harm him. he was such a nice person, no one would dare do that. authorities now want to exhume khan's body. kevin tibbles, nbc news, chicago. >>> now for a look at what's trending, a quick roundup of what has you talking on-line. who wants to host a game show? meredith vieira is trending on yahoo! after announcing she's leaving "who wants to be a millionaire," to pursue other venues including here on nbc. a search is under way for a host to take over this fall. >> beyonce teemed up with his partners for a destiny's child comeback releasing a track called "nuclear." the song will anchor a collection of previously released hits. >>> justin timberlake's website is featuring a new venture walking into a recording studio. >> i've only done two albums in ten years. that's the way i look at it. what does the next